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Commit | Line | Data |
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41b7bd01 MH |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2014 Matthias Heidbrink <m-sigrok@heidbrink.biz> | |
1c3d002b | 5 | * Copyright (C) 2014 Bert Vermeulen <bert@biot.com> (code from atten-pps3xxx) |
41b7bd01 MH |
6 | * |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
1c3d002b MH |
21 | /** @file |
22 | * <em>Motech LPS-30x series</em> power supply driver | |
23 | * @internal | |
24 | */ | |
25 | ||
26 | #include <ctype.h> | |
27 | #include <errno.h> | |
28 | #include <math.h> | |
29 | #include <string.h> | |
41b7bd01 MH |
30 | #include "protocol.h" |
31 | ||
1c3d002b | 32 | /* Forward declarations */ |
41b7bd01 | 33 | SR_PRIV struct sr_dev_driver motech_lps_301_driver_info; |
1c3d002b MH |
34 | SR_PRIV int lps_read_reply(struct sr_serial_dev_inst *serial, char **buf, int *buflen); |
35 | SR_PRIV int lps_send_va(struct sr_serial_dev_inst *serial, const char* fmt, va_list args); | |
36 | SR_PRIV int lps_cmd_ok(struct sr_serial_dev_inst *serial, const char* fmt, ...); | |
37 | SR_PRIV int lps_cmd_reply(char* reply, struct sr_serial_dev_inst *serial, const char* fmt, ...); | |
38 | SR_PRIV int lps_query_status(struct sr_dev_inst* sdi); | |
39 | ||
40 | /* Serial communication parameters */ | |
41 | #define SERIALCOMM "2400/8n1/dtr=1/rts=1/flow=0" | |
42 | ||
43 | #define VENDOR_MOTECH "Motech" | |
44 | ||
413f1944 AJ |
45 | /** Driver capabilities generic. */ |
46 | static const uint32_t drvopts[] = { | |
47 | /* Device class */ | |
48 | SR_CONF_POWER_SUPPLY, | |
49 | }; | |
50 | ||
1c3d002b | 51 | /** Driver scanning options. */ |
a0e0bb41 | 52 | static const uint32_t scanopts[] = { |
1c3d002b MH |
53 | SR_CONF_CONN, |
54 | SR_CONF_SERIALCOMM, | |
55 | }; | |
56 | ||
57 | /** Hardware capabilities generic. */ | |
f254bc4b | 58 | static const uint32_t devopts[] = { |
1c3d002b MH |
59 | /* Device class */ |
60 | SR_CONF_POWER_SUPPLY, | |
f3f19d11 | 61 | /* Acquisition modes. */ |
1c3d002b | 62 | SR_CONF_CONTINUOUS, |
5827f61b BV |
63 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
64 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
1c3d002b | 65 | /* Device configuration */ |
7a0b98b5 | 66 | SR_CONF_CHANNEL_CONFIG | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
1c3d002b MH |
67 | }; |
68 | ||
69 | /** Hardware capabilities channel 1, 2. */ | |
f254bc4b | 70 | static const uint32_t devopts_ch12[] = { |
7a0b98b5 AJ |
71 | SR_CONF_VOLTAGE | SR_CONF_GET, |
72 | SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
73 | SR_CONF_CURRENT | SR_CONF_GET, | |
74 | SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
75 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
1c3d002b MH |
76 | }; |
77 | ||
78 | /** Hardware capabilities channel 3. (LPS-304/305 only). */ | |
f254bc4b | 79 | static const uint32_t devopts_ch3[] = { |
7a0b98b5 AJ |
80 | SR_CONF_VOLTAGE | SR_CONF_GET, |
81 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
1c3d002b MH |
82 | }; |
83 | ||
84 | static const char *channel_modes[] = { | |
85 | "Independent", | |
86 | "Track1", | |
87 | "Track2", | |
88 | }; | |
89 | ||
329733d9 | 90 | static const struct lps_modelspec models[] = { |
1c3d002b MH |
91 | { LPS_UNKNOWN, "Dummy", 0, |
92 | { | |
93 | ||
94 | } | |
95 | }, | |
96 | { LPS_301, "LPS-301", 1, | |
97 | { | |
98 | /* Channel 1 */ | |
99 | { { 0, 32, 0.01 }, { 0.005, 2, 0.001 } }, | |
100 | }, | |
101 | }, | |
102 | { LPS_302, "LPS-302", 1, | |
103 | { | |
104 | /* Channel 1 */ | |
105 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
106 | }, | |
107 | }, | |
108 | { LPS_303, "LPS-303", 1, | |
109 | { | |
110 | /* Channel 1 */ | |
111 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
112 | }, | |
113 | }, | |
114 | { LPS_304, "LPS-304", 3, | |
115 | { | |
116 | /* Channel 1 */ | |
117 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
118 | /* Channel 2 */ | |
119 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
120 | /* Channel 3 */ | |
121 | { { 5, 5, 0.0 }, { 0.005, 3, 0.001 } }, | |
122 | }, | |
123 | }, | |
124 | { LPS_305, "LPS-305", 3, | |
125 | { | |
126 | /* Channel 1 */ | |
127 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
128 | /* Channel 2 */ | |
129 | { { 0, 32, 0.01 }, { 0.005, 3, 0.001 } }, | |
130 | /* Channel 3 */ | |
131 | { { 3.3, 5, 1.7 }, { 0.005, 3, 0.001 } }, | |
132 | }, | |
133 | }, | |
134 | }; | |
41b7bd01 | 135 | |
4f840ce9 | 136 | static int init_lps301(struct sr_dev_driver *di, struct sr_context *sr_ctx) |
41b7bd01 | 137 | { |
4f840ce9 | 138 | return std_init(sr_ctx, di, LOG_PREFIX); |
41b7bd01 MH |
139 | } |
140 | ||
1c3d002b MH |
141 | /** Send command to device with va_list. |
142 | */ | |
143 | SR_PRIV int lps_send_va(struct sr_serial_dev_inst *serial, const char* fmt, va_list args) | |
41b7bd01 | 144 | { |
1c3d002b MH |
145 | int retc; |
146 | char auxfmt[LINELEN_MAX]; | |
147 | char buf[LINELEN_MAX]; | |
41b7bd01 | 148 | |
1c3d002b MH |
149 | snprintf(auxfmt, sizeof(auxfmt), "%s\r\n", fmt); |
150 | vsnprintf(buf, sizeof(buf), auxfmt, args); | |
41b7bd01 | 151 | |
1c3d002b | 152 | sr_spew("lps_send_va: \"%s\"", buf); |
41b7bd01 | 153 | |
eead2782 | 154 | retc = serial_write_blocking(serial, buf, strlen(buf), 0); |
41b7bd01 | 155 | |
1c3d002b MH |
156 | if (retc < 0) |
157 | return SR_ERR; | |
158 | ||
159 | return SR_OK; | |
41b7bd01 MH |
160 | } |
161 | ||
1c3d002b MH |
162 | /** Send command to device. |
163 | */ | |
164 | SR_PRIV int lps_send_req(struct sr_serial_dev_inst *serial, const char* fmt, ...) | |
41b7bd01 | 165 | { |
1c3d002b MH |
166 | int retc; |
167 | va_list args; | |
168 | ||
169 | va_start(args, fmt); | |
170 | retc = lps_send_va(serial, fmt, args); | |
171 | va_end(args); | |
172 | ||
173 | return retc; | |
41b7bd01 MH |
174 | } |
175 | ||
1c3d002b MH |
176 | /** Send command and consume simple OK reply. */ |
177 | SR_PRIV int lps_cmd_ok(struct sr_serial_dev_inst *serial, const char* fmt, ...) | |
41b7bd01 | 178 | { |
1c3d002b MH |
179 | int retc; |
180 | va_list args; | |
181 | char buf[LINELEN_MAX]; | |
182 | char* bufptr; | |
183 | int buflen; | |
184 | ||
185 | /* Send command */ | |
186 | va_start(args, fmt); | |
187 | retc = lps_send_va(serial, fmt, args); | |
188 | va_end(args); | |
189 | ||
190 | if (retc != SR_OK) | |
191 | return SR_ERR; | |
192 | ||
193 | /* Read reply */ | |
194 | buf[0] = '\0'; | |
195 | bufptr = buf; | |
196 | buflen = sizeof(buf); | |
197 | retc = lps_read_reply(serial, &bufptr, &buflen); | |
198 | if ((retc == SR_OK) && (buflen == 0)) | |
199 | return SR_OK; | |
200 | ||
201 | return SR_ERR; | |
41b7bd01 MH |
202 | } |
203 | ||
1c3d002b MH |
204 | /** Send command and read reply string. |
205 | * \param reply Pointer to buffer of size LINELEN_MAX. Will be NUL-terminated. | |
206 | */ | |
207 | SR_PRIV int lps_cmd_reply(char* reply, struct sr_serial_dev_inst *serial, const char* fmt, ...) | |
41b7bd01 | 208 | { |
1c3d002b MH |
209 | int retc; |
210 | va_list args; | |
211 | char buf[LINELEN_MAX]; | |
212 | char* bufptr; | |
213 | int buflen; | |
214 | ||
215 | reply[0] = '\0'; | |
216 | ||
217 | /* Send command */ | |
218 | va_start(args, fmt); | |
219 | retc = lps_send_va(serial, fmt, args); | |
220 | va_end(args); | |
221 | ||
222 | if (retc != SR_OK) | |
223 | return SR_ERR; | |
224 | ||
225 | /* Read reply */ | |
226 | buf[0] = '\0'; | |
227 | bufptr = buf; | |
228 | buflen = sizeof(buf); | |
229 | retc = lps_read_reply(serial, &bufptr, &buflen); | |
230 | if ((retc == SR_OK) && (buflen > 0)) { | |
231 | strcpy(reply, buf); | |
232 | return SR_OK; | |
233 | } | |
41b7bd01 | 234 | |
1c3d002b MH |
235 | return SR_ERR; |
236 | } | |
41b7bd01 | 237 | |
1c3d002b MH |
238 | /** Process integer value returned by STATUS command. */ |
239 | SR_PRIV int lps_process_status(struct sr_dev_inst* sdi, int stat) | |
240 | { | |
241 | struct dev_context* devc; | |
242 | int tracking_mode; | |
243 | ||
244 | devc = (struct dev_context*)sdi->priv; | |
245 | ||
246 | sr_spew("Status: %d", stat); | |
247 | devc->channel_status[0].cc_mode = (stat & 0x01) != 0; | |
248 | sr_spew("Channel 1 %s mode", devc->channel_status[0].cc_mode?"CC":"CV"); | |
249 | if (devc->model->num_channels > 1) { | |
250 | devc->channel_status[1].cc_mode = (stat & 0x02) != 0; | |
251 | sr_spew("Channel 2 %s mode", devc->channel_status[1].cc_mode?"CC":"CV"); | |
252 | ||
253 | tracking_mode = (stat & 0x0c) >> 2; | |
254 | switch (tracking_mode) { | |
255 | case 0: devc->tracking_mode = 0; | |
256 | break; | |
257 | case 2: devc->tracking_mode = 1; | |
258 | break; | |
259 | case 3: devc->tracking_mode = 2; | |
260 | break; | |
261 | default: | |
262 | sr_err("Illegal channel tracking mode %d!", tracking_mode); | |
263 | devc->tracking_mode = 0; | |
264 | break; | |
265 | } | |
266 | ||
267 | sr_spew("Channel tracking: %d", devc->tracking_mode); | |
268 | } | |
269 | devc->channel_status[0].output_enabled = devc->channel_status[1].output_enabled = stat&0x040?TRUE:FALSE; | |
270 | sr_spew("Channel 1%s output: %s", devc->model->num_channels > 1?"+2":"", devc->channel_status[0].output_enabled?"ON":"OFF"); | |
271 | if (devc->model->num_channels > 2) { | |
272 | devc->channel_status[2].output_enabled = stat&0x010?TRUE:FALSE; | |
273 | devc->channel_status[2].output_voltage_last = stat&0x020?3.3:5; | |
274 | sr_spew("Channel 3 output: %s, U=%02f V, overload=%d", | |
275 | devc->channel_status[2].output_enabled?"ON":"OFF", | |
276 | devc->channel_status[2].output_voltage_last, | |
277 | stat&0x080?1:0); | |
278 | } | |
279 | sr_spew("Fan=%d, beep=%d, CC output compensated=%d", stat&0x0100?1:0, stat&0x0200?1:0, stat&0x0400?1:0); | |
41b7bd01 MH |
280 | |
281 | return SR_OK; | |
282 | } | |
283 | ||
1c3d002b MH |
284 | /** Send STATUS commend and process status string. */ |
285 | SR_PRIV int lps_query_status(struct sr_dev_inst* sdi) | |
41b7bd01 | 286 | { |
1c3d002b MH |
287 | char buf[LINELEN_MAX]; |
288 | int stat; | |
1c3d002b | 289 | struct dev_context* devc; |
41b7bd01 | 290 | |
1c3d002b | 291 | devc = (struct dev_context*)sdi->priv; |
41b7bd01 | 292 | |
1c3d002b | 293 | devc->req_sent_at = g_get_real_time(); |
41b7bd01 | 294 | |
1c3d002b MH |
295 | if (lps_cmd_reply(buf, sdi->conn, "STATUS") < 0) { |
296 | sr_err("%s: Failed to read status: %d %s", __func__, errno, strerror(errno)); | |
297 | return SR_ERR; | |
298 | } | |
299 | ||
1f7da0c2 | 300 | if (sr_atoi(buf, &stat) != SR_OK) |
1c3d002b MH |
301 | return SR_ERR; |
302 | ||
303 | return lps_process_status(sdi, stat); | |
41b7bd01 MH |
304 | } |
305 | ||
1c3d002b | 306 | static gint64 calc_timeout_ms(gint64 start_us) |
41b7bd01 | 307 | { |
1c3d002b | 308 | gint64 result = REQ_TIMEOUT_MS - ((g_get_real_time() - start_us) / 1000); |
41b7bd01 | 309 | |
1c3d002b MH |
310 | if (result < 0) |
311 | return 0; | |
41b7bd01 | 312 | |
1c3d002b | 313 | return result; |
41b7bd01 MH |
314 | } |
315 | ||
1c3d002b MH |
316 | /** Read message into buf until "OK" received. |
317 | * \retval SR_OK Msg received; buf and buflen contain result, if any except OK. | |
318 | * \retval SR_ERR Error, including timeout. | |
319 | */ | |
320 | SR_PRIV int lps_read_reply(struct sr_serial_dev_inst *serial, char **buf, int *buflen) | |
41b7bd01 | 321 | { |
1c3d002b MH |
322 | int retries; |
323 | char buf2[LINELEN_MAX]; | |
324 | char *buf2ptr; | |
325 | int buf2len; | |
326 | gint64 timeout_start; | |
327 | ||
328 | *buf[0] = '\0'; | |
329 | ||
330 | /* Read one line. It is either a data message or "OK". */ | |
331 | timeout_start = g_get_real_time(); | |
332 | buf2len = *buflen; | |
333 | /* Up to 5 tries because serial_readline() will consume only one CR or LF per | |
334 | * call, but device sends up to 4 in a row. */ | |
335 | for (retries = 0; retries < 5; retries++) { | |
336 | *buflen = buf2len; | |
337 | if (serial_readline(serial, buf, buflen, calc_timeout_ms(timeout_start)) != SR_OK) | |
338 | return SR_ERR; | |
339 | if (!strcmp(*buf, "OK")) { /* We got an OK! */ | |
340 | *buf[0] = '\0'; | |
341 | *buflen = 0; | |
342 | return SR_OK; | |
343 | } | |
344 | if (*buflen > 0) /* We got a msg! */ | |
345 | break; | |
346 | } | |
41b7bd01 | 347 | |
1c3d002b MH |
348 | /* A data msg is in buf (possibly ERROR), need to consume "OK". */ |
349 | buf2[0] = '\0'; | |
350 | buf2ptr = buf2; | |
351 | for (retries = 0; retries < 5; retries++) { | |
352 | buf2len = sizeof(buf2); | |
353 | if (serial_readline(serial, &buf2ptr, &buf2len, calc_timeout_ms(timeout_start)) != SR_OK) | |
354 | return SR_ERR; | |
355 | ||
356 | if (!strcmp(buf2ptr, "OK")) { /* We got an OK! */ | |
357 | if (!strcmp(*buf, "ERROR")) { /* OK came after msg ERROR! */ | |
358 | sr_spew("ERROR found!"); | |
359 | *buf[0] = '\0'; | |
360 | *buflen = 0; | |
361 | return SR_ERR; | |
362 | } | |
363 | return SR_OK; | |
364 | } | |
365 | } | |
41b7bd01 | 366 | |
1c3d002b MH |
367 | return SR_ERR; /* Timeout! */ |
368 | } | |
369 | ||
370 | /** Scan for LPS-300 series device. | |
371 | */ | |
1f7da0c2 | 372 | static GSList *do_scan(lps_modelid modelid, struct sr_dev_driver *drv, GSList *options) |
1c3d002b MH |
373 | { |
374 | struct sr_dev_inst *sdi; | |
375 | struct drv_context *drvc; | |
376 | struct dev_context *devc; | |
377 | struct sr_serial_dev_inst *serial; | |
378 | struct sr_channel *ch; | |
379 | struct sr_channel_group *cg; | |
380 | GSList *devices; | |
381 | const char *conn, *serialcomm; | |
382 | int cnt; | |
0af636be | 383 | gchar buf[LINELEN_MAX]; |
1c3d002b | 384 | gchar channel[10]; |
0af636be | 385 | char *verstr; |
1c3d002b MH |
386 | |
387 | sdi = NULL; | |
388 | devc = NULL; | |
389 | conn = serialcomm = NULL; | |
390 | devices = NULL; | |
391 | ||
392 | drvc = drv->priv; | |
393 | drvc->instances = NULL; | |
394 | ||
395 | sr_spew("scan() called!"); | |
396 | ||
397 | /* Process and check options. */ | |
398 | if (sr_serial_extract_options(options, &conn, &serialcomm) != SR_OK) | |
399 | return NULL; | |
400 | if (!serialcomm) | |
401 | serialcomm = SERIALCOMM; | |
402 | ||
403 | /* Init serial port. */ | |
91219afc | 404 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
1c3d002b | 405 | |
5b980134 | 406 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
1c3d002b MH |
407 | goto exit_err; |
408 | ||
409 | /* Query and verify model string. */ | |
410 | serial_flush(serial); | |
411 | if (lps_cmd_reply(buf, serial, "MODEL") != SR_OK) | |
412 | return NULL; | |
413 | ||
414 | /* Check model string. */ | |
415 | if (strncmp(buf, "LPS-", 4)) { | |
416 | sr_spew("Unknown model code \"%s\"!", buf); | |
417 | return NULL; | |
418 | } | |
419 | ||
420 | /* Bug in device FW 1.17, model number is empty, so this can't work with this FW! */ | |
421 | if (modelid == LPS_UNKNOWN) { | |
422 | g_strstrip(buf); | |
423 | for (cnt = LPS_301; cnt <= LPS_305; cnt++) { | |
424 | if (!strcmp(buf, models[cnt].modelstr)) { | |
425 | modelid = cnt; | |
426 | break; | |
427 | } | |
428 | } | |
429 | if (modelid == LPS_UNKNOWN) { | |
430 | sr_err("Unable to detect model from model string '%s'!", buf); | |
431 | return NULL; | |
432 | } | |
41b7bd01 MH |
433 | } |
434 | ||
1c3d002b MH |
435 | /* Query version */ |
436 | verstr = NULL; | |
437 | if (lps_cmd_reply(buf, serial, "VERSION") == SR_OK) { | |
438 | if (strncmp(buf, "Ver-", 4)) { | |
439 | sr_spew("Version string %s not recognized.", buf); | |
440 | goto exit_err; | |
441 | } | |
442 | ||
1c3d002b MH |
443 | g_strstrip(buf); |
444 | verstr = buf + 4; | |
445 | } | |
f3f19d11 | 446 | else /* Bug in device FW 1.17: Querying version string fails while output is active. |
1c3d002b MH |
447 | Therefore just print an error message, but do not exit with error. */ |
448 | sr_err("Failed to query for hardware version: %d %s", errno, strerror(errno)); | |
449 | ||
aac29cc1 | 450 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
451 | sdi->status = SR_ST_INACTIVE; |
452 | sdi->vendor = g_strdup(VENDOR_MOTECH); | |
453 | sdi->model = g_strdup(models[modelid].modelstr); | |
454 | sdi->version = g_strdup(verstr); | |
1c3d002b MH |
455 | sdi->driver = drv; |
456 | sdi->inst_type = SR_INST_SERIAL; | |
457 | sdi->conn = serial; | |
458 | ||
459 | devc = g_malloc0(sizeof(struct dev_context)); | |
460 | devc->model = &models[modelid]; | |
461 | devc->limit_samples = 0; | |
462 | devc->limit_msec = 0; | |
463 | devc->num_samples = 0; | |
464 | devc->elapsed_msec = g_timer_new(); | |
465 | ||
466 | sdi->priv = devc; | |
467 | ||
468 | /* Setup channels and channel groups. */ | |
469 | for (cnt = 0; cnt < models[modelid].num_channels; cnt++) { | |
470 | snprintf(channel, sizeof(channel), "CH%d", cnt + 1); | |
5e23fcab | 471 | ch = sr_channel_new(sdi, cnt, SR_CHANNEL_ANALOG, TRUE, channel); |
1c3d002b MH |
472 | |
473 | devc->channel_status[cnt].info = g_slist_append(NULL, ch); | |
474 | ||
475 | cg = g_malloc(sizeof(struct sr_channel_group)); | |
476 | snprintf(channel, sizeof(channel), "CG%d", cnt+1); | |
477 | cg->name = g_strdup(channel); | |
478 | cg->priv = NULL; | |
479 | cg->channels = g_slist_append(NULL, ch); | |
480 | ||
481 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
482 | } | |
483 | ||
484 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
485 | devices = g_slist_append(devices, sdi); | |
486 | ||
487 | /* Query status */ | |
488 | if (lps_query_status(sdi) != SR_OK) | |
489 | goto exit_err; | |
490 | ||
491 | serial_close(serial); | |
492 | if (!devices) | |
493 | sr_serial_dev_inst_free(serial); | |
494 | ||
495 | return devices; | |
496 | ||
497 | exit_err: | |
498 | sr_info("%s: Error!", __func__); | |
499 | ||
500 | if (serial) { | |
501 | serial_close(serial); | |
502 | sr_serial_dev_inst_free(serial); | |
503 | } | |
b1f83103 | 504 | g_free(devc); |
1c3d002b MH |
505 | if (sdi) |
506 | sr_dev_inst_free(sdi); | |
507 | ||
508 | return NULL; | |
41b7bd01 MH |
509 | } |
510 | ||
1c3d002b | 511 | /** Scan for LPS-301 device. */ |
4f840ce9 | 512 | static GSList *scan_lps301(struct sr_dev_driver *di, GSList *options) |
1c3d002b | 513 | { |
4f840ce9 | 514 | return do_scan(LPS_301, di, options); |
1c3d002b MH |
515 | } |
516 | ||
4f840ce9 | 517 | static GSList *dev_list_lps301(const struct sr_dev_driver *di) |
1c3d002b | 518 | { |
4f840ce9 | 519 | return ((struct drv_context *)(di->priv))->instances; |
1c3d002b MH |
520 | } |
521 | ||
522 | static void dev_clear_private(struct dev_context* devc) | |
523 | { | |
524 | int ch_idx; | |
525 | ||
526 | /* Free channel_status.info (list only, data owned by sdi). */ | |
527 | for (ch_idx = 0; ch_idx < devc->model->num_channels; ch_idx++) | |
528 | g_slist_free(devc->channel_status[ch_idx].info); | |
529 | ||
530 | g_timer_destroy(devc->elapsed_msec); | |
531 | } | |
532 | ||
4f840ce9 | 533 | static int dev_clear_lps301(const struct sr_dev_driver *di) |
1c3d002b | 534 | { |
4f840ce9 | 535 | return std_dev_clear(di, (std_dev_clear_callback)dev_clear_private); |
1c3d002b MH |
536 | } |
537 | ||
4f840ce9 | 538 | static int cleanup(const struct sr_dev_driver *di) |
1c3d002b | 539 | { |
4f840ce9 | 540 | return dev_clear_lps301(di); |
1c3d002b MH |
541 | } |
542 | ||
584560f1 | 543 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
41b7bd01 MH |
544 | const struct sr_channel_group *cg) |
545 | { | |
1c3d002b MH |
546 | struct dev_context *devc; |
547 | struct sr_channel *ch; | |
548 | int ch_idx; | |
549 | ||
550 | if (!sdi) | |
551 | return SR_ERR_ARG; | |
552 | ||
553 | devc = sdi->priv; | |
554 | ||
555 | if (!cg) { | |
556 | /* No channel group: global options. */ | |
557 | switch (key) { | |
558 | case SR_CONF_LIMIT_SAMPLES: | |
559 | *data = g_variant_new_uint64(devc->limit_samples); | |
560 | break; | |
561 | case SR_CONF_LIMIT_MSEC: | |
562 | *data = g_variant_new_uint64(devc->limit_msec); | |
563 | break; | |
7a0b98b5 | 564 | case SR_CONF_CHANNEL_CONFIG: |
1c3d002b MH |
565 | *data = g_variant_new_string(channel_modes[devc->tracking_mode]); |
566 | break; | |
567 | default: | |
568 | return SR_ERR_NA; | |
569 | } | |
570 | } else { | |
571 | /* We only ever have one channel per channel group in this driver. */ | |
572 | ch = cg->channels->data; | |
573 | ch_idx = ch->index; | |
574 | switch (key) { | |
7a0b98b5 | 575 | case SR_CONF_VOLTAGE: |
1c3d002b MH |
576 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_last); |
577 | break; | |
7a0b98b5 | 578 | case SR_CONF_VOLTAGE_TARGET: |
1c3d002b MH |
579 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_voltage_max); |
580 | break; | |
7a0b98b5 | 581 | case SR_CONF_CURRENT: |
1c3d002b MH |
582 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_last); |
583 | break; | |
7a0b98b5 | 584 | case SR_CONF_CURRENT_LIMIT: |
1c3d002b MH |
585 | *data = g_variant_new_double(devc->channel_status[ch_idx].output_current_max); |
586 | break; | |
7a0b98b5 | 587 | case SR_CONF_ENABLED: |
1c3d002b MH |
588 | *data = g_variant_new_boolean(devc->channel_status[ch_idx].output_enabled); |
589 | break; | |
590 | default: | |
591 | return SR_ERR_NA; | |
592 | } | |
593 | } | |
41b7bd01 | 594 | |
1c3d002b MH |
595 | return SR_OK; |
596 | } | |
597 | ||
584560f1 | 598 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
1c3d002b MH |
599 | const struct sr_channel_group *cg) |
600 | { | |
601 | struct dev_context *devc; | |
602 | struct sr_channel *ch; | |
603 | gdouble dval; | |
604 | int ch_idx; | |
605 | const char *sval; | |
606 | gboolean bval; | |
607 | int idx; | |
608 | gboolean found; | |
41b7bd01 MH |
609 | |
610 | if (sdi->status != SR_ST_ACTIVE) | |
611 | return SR_ERR_DEV_CLOSED; | |
612 | ||
1c3d002b MH |
613 | devc = sdi->priv; |
614 | ||
419bfb50 | 615 | /* Cannot change settings while acquisition active, would cause a mess with commands. |
1c3d002b MH |
616 | * Changing this would be possible, but tricky. */ |
617 | if (devc->acq_running) | |
618 | return SR_ERR_NA; | |
619 | ||
620 | if (!cg) { | |
621 | /* No channel group: global options. */ | |
622 | switch (key) { | |
623 | case SR_CONF_LIMIT_MSEC: | |
1c3d002b | 624 | devc->limit_msec = g_variant_get_uint64(data); |
1c3d002b MH |
625 | break; |
626 | case SR_CONF_LIMIT_SAMPLES: | |
627 | devc->limit_samples = g_variant_get_uint64(data); | |
1c3d002b | 628 | break; |
7a0b98b5 | 629 | case SR_CONF_CHANNEL_CONFIG: |
1c3d002b MH |
630 | sval = g_variant_get_string(data, NULL); |
631 | found = FALSE; | |
dcd438ee | 632 | for (idx = 0; idx < (int)ARRAY_SIZE(channel_modes); idx++) { |
1c3d002b MH |
633 | if (!strcmp(sval, channel_modes[idx])) { |
634 | found = TRUE; | |
635 | if (devc->tracking_mode == idx) | |
636 | break; /* Nothing to do! */ | |
637 | devc->tracking_mode = idx; | |
638 | if (devc->model->modelid >= LPS_304) /* No use to set anything in the smaller models. */ | |
639 | return lps_cmd_ok(sdi->conn, "TRACK%1d", devc->tracking_mode); | |
640 | } | |
641 | if (devc->model->modelid <= LPS_303) /* Only first setting possible for smaller models. */ | |
642 | break; | |
643 | } | |
dcd438ee | 644 | if (!found) |
1c3d002b | 645 | return SR_ERR_ARG; |
1c3d002b MH |
646 | break; |
647 | default: | |
648 | return SR_ERR_NA; | |
649 | } | |
650 | } else { | |
651 | /* Channel group specified: per-channel options. */ | |
652 | /* We only ever have one channel per channel group in this driver. */ | |
653 | ch = cg->channels->data; | |
654 | ch_idx = ch->index; | |
655 | ||
656 | switch (key) { | |
7a0b98b5 | 657 | case SR_CONF_VOLTAGE_TARGET: |
1c3d002b MH |
658 | dval = g_variant_get_double(data); |
659 | if (dval < 0 || dval > devc->model->channels[ch_idx].voltage[1]) | |
660 | return SR_ERR_ARG; | |
661 | if (ch_idx == 2) { | |
662 | if (devc->model->modelid < LPS_304) | |
663 | return SR_ERR_ARG; | |
664 | ||
665 | if (fabs(dval - 5.000) <= 0.001) | |
666 | dval = 5.0; | |
667 | else if ((devc->model->modelid >= LPS_305) && (fabs(dval - 3.300) <= 0.001)) | |
668 | dval = 3.3; | |
669 | else return SR_ERR_ARG; | |
670 | } | |
671 | ||
672 | devc->channel_status[ch_idx].output_voltage_max = dval; | |
673 | if (ch_idx == 2) | |
674 | return lps_cmd_ok(sdi->conn, "VDD%1.0f", trunc(dval)); | |
675 | else | |
676 | return lps_cmd_ok(sdi->conn, "VSET%d %05.3f", ch_idx+1, dval); | |
677 | break; | |
7a0b98b5 | 678 | case SR_CONF_CURRENT_LIMIT: |
1c3d002b MH |
679 | dval = g_variant_get_double(data); |
680 | if (dval < 0 || dval > devc->model->channels[ch_idx].current[1]) | |
681 | return SR_ERR_ARG; | |
682 | if (ch_idx == 2) /* No current setting for CH3. */ | |
683 | return SR_ERR_NA; | |
684 | devc->channel_status[ch_idx].output_current_max = dval; | |
685 | return lps_cmd_ok(sdi->conn, "ISET%d %05.4f", ch_idx+1, dval); | |
686 | break; | |
7a0b98b5 | 687 | case SR_CONF_ENABLED: |
1c3d002b MH |
688 | bval = g_variant_get_boolean(data); |
689 | if (bval == devc->channel_status[ch_idx].output_enabled) /* Nothing to do. */ | |
690 | break; | |
691 | devc->channel_status[ch_idx].output_enabled = bval; | |
692 | if (ch_idx != 2) { /* Channels 1,2 can be set only together. */ | |
693 | devc->channel_status[ch_idx^1].output_enabled = bval; | |
694 | return lps_cmd_ok(sdi->conn, "OUT%1d", (int)bval); | |
695 | } else { /* Channel 3: No command to disable output, set voltage to 0 instead. */ | |
696 | if (bval) | |
697 | return lps_cmd_ok(sdi->conn, "VDD%1.0f", devc->channel_status[ch_idx].output_voltage_max); | |
698 | else | |
699 | return lps_cmd_ok(sdi->conn, "VDD0"); | |
700 | } | |
701 | break; | |
702 | default: | |
703 | return SR_ERR_NA; | |
704 | } | |
41b7bd01 MH |
705 | } |
706 | ||
1c3d002b | 707 | return SR_OK; |
41b7bd01 MH |
708 | } |
709 | ||
584560f1 | 710 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
41b7bd01 MH |
711 | const struct sr_channel_group *cg) |
712 | { | |
1c3d002b MH |
713 | struct dev_context *devc; |
714 | struct sr_channel *ch; | |
715 | int ch_idx, i; | |
716 | GVariant *gvar; | |
717 | GVariantBuilder gvb; | |
41b7bd01 | 718 | |
1c3d002b | 719 | /* Driver options, no device instance necessary. */ |
41b7bd01 | 720 | switch (key) { |
1c3d002b | 721 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 722 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
dcd438ee | 723 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
1c3d002b | 724 | return SR_OK; |
413f1944 AJ |
725 | case SR_CONF_DEVICE_OPTIONS: |
726 | if (sdi != NULL) | |
727 | break; | |
728 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
dcd438ee | 729 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
413f1944 | 730 | return SR_OK; |
1c3d002b | 731 | default: |
dcd438ee | 732 | if (!sdi) |
1c3d002b | 733 | return SR_ERR_ARG; |
1c3d002b | 734 | devc = sdi->priv; |
dcd438ee | 735 | break; |
1c3d002b MH |
736 | } |
737 | ||
584560f1 | 738 | /* Device options, independent from channel groups. */ |
0c5f2abc | 739 | if (!cg) { |
1c3d002b MH |
740 | switch (key) { |
741 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 742 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 743 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
1c3d002b | 744 | return SR_OK; |
7a0b98b5 | 745 | case SR_CONF_CHANNEL_CONFIG: |
1c3d002b MH |
746 | if (devc->model->modelid <= LPS_303) { |
747 | /* The 1-channel models. */ | |
748 | *data = g_variant_new_strv(channel_modes, 1); | |
749 | } else { | |
750 | /* The other models support all modes. */ | |
751 | *data = g_variant_new_strv(channel_modes, ARRAY_SIZE(channel_modes)); | |
752 | } | |
753 | return SR_OK; | |
1c3d002b MH |
754 | default: |
755 | return SR_ERR_NA; | |
756 | } | |
757 | } | |
758 | ||
759 | /* Device options, depending on channel groups. */ | |
760 | ch = cg->channels->data; | |
761 | ch_idx = ch->index; | |
762 | switch (key) { | |
763 | case SR_CONF_DEVICE_OPTIONS: | |
764 | if ((ch_idx == 0) || (ch_idx == 1)) /* CH1, CH2 */ | |
584560f1 | 765 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 766 | devopts_ch12, ARRAY_SIZE(devopts_ch12), sizeof(uint32_t)); |
1c3d002b | 767 | else /* Must be CH3 */ |
584560f1 | 768 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 769 | devopts_ch3, ARRAY_SIZE(devopts_ch3), sizeof(uint32_t)); |
1c3d002b | 770 | break; |
7a0b98b5 | 771 | case SR_CONF_VOLTAGE_TARGET: |
1c3d002b MH |
772 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
773 | /* Min, max, step. */ | |
774 | for (i = 0; i < 3; i++) { | |
775 | gvar = g_variant_new_double(devc->model->channels[ch_idx].voltage[i]); | |
776 | g_variant_builder_add_value(&gvb, gvar); | |
777 | } | |
778 | *data = g_variant_builder_end(&gvb); | |
779 | break; | |
7a0b98b5 | 780 | case SR_CONF_CURRENT_LIMIT: |
1c3d002b MH |
781 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); |
782 | /* Min, max, step. */ | |
783 | for (i = 0; i < 3; i++) { | |
784 | gvar = g_variant_new_double(devc->model->channels[ch_idx].current[i]); | |
785 | g_variant_builder_add_value(&gvb, gvar); | |
786 | } | |
787 | *data = g_variant_builder_end(&gvb); | |
788 | break; | |
41b7bd01 MH |
789 | default: |
790 | return SR_ERR_NA; | |
791 | } | |
792 | ||
1c3d002b | 793 | return SR_OK; |
41b7bd01 MH |
794 | } |
795 | ||
796 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
797 | void *cb_data) | |
798 | { | |
1c3d002b MH |
799 | struct dev_context *devc; |
800 | struct sr_serial_dev_inst *serial; | |
41b7bd01 MH |
801 | |
802 | if (sdi->status != SR_ST_ACTIVE) | |
803 | return SR_ERR_DEV_CLOSED; | |
804 | ||
1c3d002b MH |
805 | devc = sdi->priv; |
806 | ||
807 | devc->acq_running = TRUE; | |
808 | ||
809 | serial = sdi->conn; | |
102f1239 BV |
810 | serial_source_add(sdi->session, serial, G_IO_IN, 50, |
811 | motech_lps_30x_receive_data, (void *)sdi); | |
1c3d002b MH |
812 | std_session_send_df_header(cb_data, LOG_PREFIX); |
813 | ||
814 | /* Start timer, if required. */ | |
815 | if (devc->limit_msec) | |
816 | g_timer_start(devc->elapsed_msec); | |
817 | ||
818 | devc->acq_req = AQ_NONE; | |
819 | /* Do not start polling device here, the read function will do it in 50 ms. */ | |
41b7bd01 MH |
820 | |
821 | return SR_OK; | |
822 | } | |
823 | ||
824 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
825 | { | |
1c3d002b | 826 | struct dev_context *devc; |
41b7bd01 | 827 | |
1c3d002b MH |
828 | /* Stop timer, if required. */ |
829 | if (sdi && (devc = sdi->priv) && devc->limit_msec) | |
830 | g_timer_stop(devc->elapsed_msec); | |
41b7bd01 | 831 | |
1c3d002b MH |
832 | return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close, |
833 | sdi->conn, LOG_PREFIX); | |
41b7bd01 MH |
834 | } |
835 | ||
836 | SR_PRIV struct sr_dev_driver motech_lps_301_driver_info = { | |
837 | .name = "motech-lps-301", | |
838 | .longname = "Motech LPS-301", | |
839 | .api_version = 1, | |
1c3d002b | 840 | .init = init_lps301, |
41b7bd01 | 841 | .cleanup = cleanup, |
1c3d002b MH |
842 | .scan = scan_lps301, |
843 | .dev_list = dev_list_lps301, | |
844 | .dev_clear = dev_clear_lps301, | |
41b7bd01 MH |
845 | .config_get = config_get, |
846 | .config_set = config_set, | |
847 | .config_list = config_list, | |
1c3d002b MH |
848 | .dev_open = std_serial_dev_open, |
849 | .dev_close = std_serial_dev_close, | |
41b7bd01 MH |
850 | .dev_acquisition_start = dev_acquisition_start, |
851 | .dev_acquisition_stop = dev_acquisition_stop, | |
852 | .priv = NULL, | |
853 | }; |